Chart correction 2492 — chart 1874
Chart 1874 (INT 1474) [ previous update 2039/23 ] WGS84 DATUM Replace GUmQ SH4 with DUmQ Obstn20 51° 18´·40N., 3° 04´·72E. GUmQ SH5 with DUmQ Obstn21 51° 18´·50N., 3° 05´·00E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.